1551140331512 has 16 divisors (see below), whose sum is σ = 2908401714000. Its totient is φ = 775566541120.

The previous prime is 1551140331493. The next prime is 1551140331551. The reversal of 1551140331512 is 2151330411551.

It is a super-2 number, since 2×1551140331512² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2490989 + ... + 3050787.

It is an arithmetic number, because the mean of its divisors is an integer number (181775107125).

Almost surely, 2^{1551140331512} is an apocalyptic number.

It is an amenable number.

1551140331512 is a deficient number, since it is larger than the sum of its proper divisors (1357261382488).

1551140331512 is a wasteful number, since it uses less digits than its factorization.

1551140331512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906166 (or 906162 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 1551140331512 in words is "one trillion, five hundred fifty-one billion, one hundred forty million, three hundred thirty-one thousand, five hundred twelve".