10155415251121 has 32 divisors (see below), whose sum is σ = 12826621416960. Its totient is φ = 7834316599296.

The previous prime is 10155415251073. The next prime is 10155415251239. The reversal of 10155415251121 is 12115251455101.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10155415251121 is a prime.

It is a super-3 number, since 3×10155415251121³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10155415251721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9823525 + ... + 10807981.

It is an arithmetic number, because the mean of its divisors is an integer number (400831919280).

Almost surely, 2^{10155415251121} is an apocalyptic number.

It is an amenable number.

10155415251121 is a deficient number, since it is larger than the sum of its proper divisors (2671206165839).

10155415251121 is a wasteful number, since it uses less digits than its factorization.

10155415251121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988273.

The product of its (nonzero) digits is 10000, while the sum is 34.

The spelling of 10155415251121 in words is "ten trillion, one hundred fifty-five billion, four hundred fifteen million, two hundred fifty-one thousand, one hundred twenty-one".