10252421115 has 16 divisors (see below), whose sum is σ = 17368807968. Its totient is φ = 5146313216.

The previous prime is 10252421089. The next prime is 10252421161. The reversal of 10252421115 is 51112425201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10252421115 - 2⁵ = 10252421083 is a prime.

It is a super-2 number, since 2×10252421115² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20102532 + ... + 20103041.

It is an arithmetic number, because the mean of its divisors is an integer number (1085550498).

Almost surely, 2^10252421115 is an apocalyptic number.

10252421115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10252421115 is a deficient number, since it is larger than the sum of its proper divisors (7116386853).

10252421115 is a wasteful number, since it uses less digits than its factorization.

10252421115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40205598.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 10252421115 its reverse (51112425201), we get a palindrome (61364846316).

The spelling of 10252421115 in words is "ten billion, two hundred fifty-two million, four hundred twenty-one thousand, one hundred fifteen".