1253415514155 has 32 divisors (see below), whose sum is σ = 2298007257600. Its totient is φ = 571478084352.

The previous prime is 1253415514133. The next prime is 1253415514187. The reversal of 1253415514155 is 5514155143521.

It is not a de Polignac number, because 1253415514155 - 2¹³ = 1253415505963 is a prime.

It is a super-2 number, since 2×1253415514155² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15708610 + ... + 15788199.

It is an arithmetic number, because the mean of its divisors is an integer number (71812726800).

Almost surely, 2^{1253415514155} is an apocalyptic number.

1253415514155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1253415514155 is a deficient number, since it is larger than the sum of its proper divisors (1044591743445).

1253415514155 is a wasteful number, since it uses less digits than its factorization.

1253415514155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31497203.

The product of its digits is 300000, while the sum is 42.

The spelling of 1253415514155 in words is "one trillion, two hundred fifty-three billion, four hundred fifteen million, five hundred fourteen thousand, one hundred fifty-five".