125502340551 has 16 divisors (see below), whose sum is σ = 191253990144. Its totient is φ = 71711000064.

The previous prime is 125502340549. The next prime is 125502340567. The reversal of 125502340551 is 155043205521.

It is not a de Polignac number, because 125502340551 - 2¹ = 125502340549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125502340511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155520 + ... + 524586.

It is an arithmetic number, because the mean of its divisors is an integer number (11953374384).

Almost surely, 2^125502340551 is an apocalyptic number.

125502340551 is a deficient number, since it is larger than the sum of its proper divisors (65751649593).

125502340551 is a wasteful number, since it uses less digits than its factorization.

125502340551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385270.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 125502340551 in words is "one hundred twenty-five billion, five hundred two million, three hundred forty thousand, five hundred fifty-one".