1250513201155 has 16 divisors (see below), whose sum is σ = 1502142935040. Its totient is φ = 999392835168.

The previous prime is 1250513201131. The next prime is 1250513201183. The reversal of 1250513201155 is 5511023150521.

It is a cyclic number.

It is not a de Polignac number, because 1250513201155 - 2¹³ = 1250513192963 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35687974 + ... + 35722996.

It is an arithmetic number, because the mean of its divisors is an integer number (93883933440).

Almost surely, 2^{1250513201155} is an apocalyptic number.

1250513201155 is a deficient number, since it is larger than the sum of its proper divisors (251629733885).

1250513201155 is a wasteful number, since it uses less digits than its factorization.

1250513201155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42090.

The product of its (nonzero) digits is 7500, while the sum is 31.

Adding to 1250513201155 its reverse (5511023150521), we get a palindrome (6761536351676).

The spelling of 1250513201155 in words is "one trillion, two hundred fifty billion, five hundred thirteen million, two hundred one thousand, one hundred fifty-five".