2151350521320 has 1536 divisors, whose sum is σ = 9034841088000. Its totient is φ = 402756157440.

The previous prime is 2151350521319. The next prime is 2151350521321. The reversal of 2151350521320 is 231250531512.

It is an interprime number because it is at equal distance from previous prime (2151350521319) and next prime (2151350521321).

It is a super-3 number, since 3×2151350521320³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2151350521321) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 9233263924 + ... + 9233264156.

It is an arithmetic number, because the mean of its divisors is an integer number (5882058000).

Almost surely, 2^{2151350521320} is an apocalyptic number.

2151350521320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2151350521320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4517420544000).

2151350521320 is an abundant number, since it is smaller than the sum of its proper divisors (6883490566680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2151350521320 is a wasteful number, since it uses less digits than its factorization.

2151350521320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 2151350521320 in words is "two trillion, one hundred fifty-one billion, three hundred fifty million, five hundred twenty-one thousand, three hundred twenty".