125149556054 has 8 divisors (see below), whose sum is σ = 188227617600. Its totient is φ = 62407016856.

The previous prime is 125149556053. The next prime is 125149556093. The reversal of 125149556054 is 450655941521.

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

It is a super-2 number, since 2×125149556054² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125149556053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83879654 + ... + 83881145.

It is an arithmetic number, because the mean of its divisors is an integer number (23528452200).

Almost surely, 2^125149556054 is an apocalyptic number.

125149556054 is a deficient number, since it is larger than the sum of its proper divisors (63078061546).

125149556054 is a wasteful number, since it uses less digits than its factorization.

125149556054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167761174.

The product of its (nonzero) digits is 1080000, while the sum is 47.

The spelling of 125149556054 in words is "one hundred twenty-five billion, one hundred forty-nine million, five hundred fifty-six thousand, fifty-four".