1051601115720 has 256 divisors, whose sum is σ = 3534718279680. Its totient is φ = 248899481600.

The previous prime is 1051601115713. The next prime is 1051601115757. The reversal of 1051601115720 is 275111061501.

1051601115720 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1051601115720² (a number of 25 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3173485 + ... + 3489155.

It is an arithmetic number, because the mean of its divisors is an integer number (13807493280).

Almost surely, 2^{1051601115720} is an apocalyptic number.

1051601115720 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 1051601115720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1767359139840).

1051601115720 is an abundant number, since it is smaller than the sum of its proper divisors (2483117163960).

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

1051601115720 is a wasteful number, since it uses less digits than its factorization.

1051601115720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315796 (or 315792 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 30.

The spelling of 1051601115720 in words is "one trillion, fifty-one billion, six hundred one million, one hundred fifteen thousand, seven hundred twenty".