1260657377051 has 8 divisors (see below), whose sum is σ = 1275960483840. Its totient is φ = 1245356995752.

The previous prime is 1260657376961. The next prime is 1260657377053. The reversal of 1260657377051 is 1507737560621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1260657377051 - 2²⁶ = 1260590268187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1260657377053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257126 + ... + 1608548.

It is an arithmetic number, because the mean of its divisors is an integer number (159495060480).

Almost surely, 2^{1260657377051} is an apocalyptic number.

1260657377051 is a deficient number, since it is larger than the sum of its proper divisors (15303106789).

1260657377051 is a wasteful number, since it uses less digits than its factorization.

1260657377051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362745.

The product of its (nonzero) digits is 1852200, while the sum is 50.

The spelling of 1260657377051 in words is "one trillion, two hundred sixty billion, six hundred fifty-seven million, three hundred seventy-seven thousand, fifty-one".