125450769015 has 144 divisors (see below), whose sum is σ = 258862836960. Its totient is φ = 55826496000.

The previous prime is 125450768941. The next prime is 125450769043. The reversal of 125450769015 is 510967054521.

It is a happy number.

125450769015 is a `hidden beast` number, since 1 + 2 + 54 + 507 + 6 + 90 + 1 + 5 = 666.

It is not a de Polignac number, because 125450769015 - 2⁹ = 125450768503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 12665565 + ... + 12675465.

It is an arithmetic number, because the mean of its divisors is an integer number (1797658590).

Almost surely, 2^125450769015 is an apocalyptic number.

125450769015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125450769015 is an abundant number, since it is smaller than the sum of its proper divisors (133412067945).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125450769015 is a wasteful number, since it uses less digits than its factorization.

125450769015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10126 (or 10112 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The spelling of 125450769015 in words is "one hundred twenty-five billion, four hundred fifty million, seven hundred sixty-nine thousand, fifteen".