1255251540150 has 72 divisors (see below), whose sum is σ = 3372573784320. Its totient is φ = 334720710720.

The previous prime is 1255251540133. The next prime is 1255251540173. The reversal of 1255251540150 is 510451525521.

1255251540150 is a `hidden beast` number, since 1 + 2 + 5 + 52 + 51 + 540 + 15 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18717579 + ... + 18784521.

It is an arithmetic number, because the mean of its divisors is an integer number (46841302560).

Almost surely, 2^{1255251540150} is an apocalyptic number.

1255251540150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1255251540150 is an abundant number, since it is smaller than the sum of its proper divisors (2117322244170).

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

1255251540150 is a wasteful number, since it uses less digits than its factorization.

1255251540150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108630 (or 108622 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 36.

The spelling of 1255251540150 in words is "one trillion, two hundred fifty-five billion, two hundred fifty-one million, five hundred forty thousand, one hundred fifty".