1500125277640 has 64 divisors (see below), whose sum is σ = 3682270368000. Its totient is φ = 545478666240.

The previous prime is 1500125277593. The next prime is 1500125277641. The reversal of 1500125277640 is 467725210051.

It is a super-2 number, since 2×1500125277640² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1500125277593 and 1500125277602.

It is not an unprimeable number, because it can be changed into a prime (1500125277641) 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, 14980056 + ... + 15079864.

It is an arithmetic number, because the mean of its divisors is an integer number (57535474500).

Almost surely, 2^{1500125277640} is an apocalyptic number.

1500125277640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1500125277640 is an abundant number, since it is smaller than the sum of its proper divisors (2182145090360).

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

1500125277640 is a wasteful number, since it uses less digits than its factorization.

1500125277640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133990 (or 133986 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 1500125277640 in words is "one trillion, five hundred billion, one hundred twenty-five million, two hundred seventy-seven thousand, six hundred forty".