10125521621435 has 32 divisors (see below), whose sum is σ = 13435578777600. Its totient is φ = 7263995506560.

The previous prime is 10125521621357. The next prime is 10125521621441. The reversal of 10125521621435 is 53412612552101.

It is not a de Polignac number, because 10125521621435 - 2¹⁶ = 10125521555899 is a prime.

It is a super-2 number, since 2×10125521621435² (a number of 27 digits) contains 22 as substring.

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, 3554822 + ... + 5734788.

It is an arithmetic number, because the mean of its divisors is an integer number (419861836800).

Almost surely, 2^{10125521621435} is an apocalyptic number.

10125521621435 is a deficient number, since it is larger than the sum of its proper divisors (3310057156165).

10125521621435 is a wasteful number, since it uses less digits than its factorization.

10125521621435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181131.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 10125521621435 in words is "ten trillion, one hundred twenty-five billion, five hundred twenty-one million, six hundred twenty-one thousand, four hundred thirty-five".