15253052555220 has 96 divisors (see below), whose sum is σ = 43196444121600. Its totient is φ = 4021031291904.

The previous prime is 15253052555197. The next prime is 15253052555243. The reversal of 15253052555220 is 2255525035251.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (15253052555197) and next prime (15253052555243).

It is a super-2 number, since 2×15253052555220² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28770901 + ... + 29296259.

It is an arithmetic number, because the mean of its divisors is an integer number (449962959600).

Almost surely, 2^{15253052555220} is an apocalyptic number.

15253052555220 is a gapful number since it is divisible by the number (10) 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 15253052555220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21598222060800).

15253052555220 is an abundant number, since it is smaller than the sum of its proper divisors (27943391566380).

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

15253052555220 is a wasteful number, since it uses less digits than its factorization.

15253052555220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530897 (or 530895 counting only the distinct ones).

The product of its (nonzero) digits is 750000, while the sum is 42.

The spelling of 15253052555220 in words is "fifteen trillion, two hundred fifty-three billion, fifty-two million, five hundred fifty-five thousand, two hundred twenty".