125502154355 has 32 divisors (see below), whose sum is σ = 167995598400. Its totient is φ = 89597491200.

The previous prime is 125502154319. The next prime is 125502154357. The reversal of 125502154355 is 553451205521.

It is not a de Polignac number, because 125502154355 - 2¹⁰ = 125502153331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125502154357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 442586 + ... + 668495.

It is an arithmetic number, because the mean of its divisors is an integer number (5249862450).

Almost surely, 2^125502154355 is an apocalyptic number.

125502154355 is a deficient number, since it is larger than the sum of its proper divisors (42493444045).

125502154355 is a wasteful number, since it uses less digits than its factorization.

125502154355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111175.

The product of its (nonzero) digits is 150000, while the sum is 38.

Adding to 125502154355 its reverse (553451205521), we get a palindrome (678953359876).

The spelling of 125502154355 in words is "one hundred twenty-five billion, five hundred two million, one hundred fifty-four thousand, three hundred fifty-five".