1252151243504 has 40 divisors (see below), whose sum is σ = 2772758767200. Its totient is φ = 536609507328.

The previous prime is 1252151243411. The next prime is 1252151243527. The reversal of 1252151243504 is 4053421512521.

It is a super-2 number, since 2×1252151243504² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2066972 + ... + 2603204.

It is an arithmetic number, because the mean of its divisors is an integer number (69318969180).

Almost surely, 2^{1252151243504} is an apocalyptic number.

1252151243504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1252151243504 is an abundant number, since it is smaller than the sum of its proper divisors (1520607523696).

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

1252151243504 is a wasteful number, since it uses less digits than its factorization.

1252151243504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557097 (or 557091 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 1252151243504 in words is "one trillion, two hundred fifty-two billion, one hundred fifty-one million, two hundred forty-three thousand, five hundred four".