10125521621434 has 8 divisors (see below), whose sum is σ = 15188296654260. Its totient is φ = 5062756070016.

The previous prime is 10125521621357. The next prime is 10125521621441. The reversal of 10125521621434 is 43412612552101.

It can be written as a sum of positive squares in 2 ways, for example, as 9687363677209 + 438157944225 = 3112453^2 + 661935^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10125521621434² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10125521621393 and 10125521621402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691722 + ... + 4807594.

Almost surely, 2^{10125521621434} is an apocalyptic number.

10125521621434 is a deficient number, since it is larger than the sum of its proper divisors (5062775032826).

10125521621434 is a wasteful number, since it uses less digits than its factorization.

10125521621434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4740704.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 10125521621434 in words is "ten trillion, one hundred twenty-five billion, five hundred twenty-one million, six hundred twenty-one thousand, four hundred thirty-four".