1270870845537 has 16 divisors (see below), whose sum is σ = 1852047078912. Its totient is φ = 771686280960.

The previous prime is 1270870845533. The next prime is 1270870845637. The reversal of 1270870845537 is 7355480780721.

It is not a de Polignac number, because 1270870845537 - 2² = 1270870845533 is a prime.

It is a super-2 number, since 2×1270870845537² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1270870845533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401918358 + ... + 401921519.

It is an arithmetic number, because the mean of its divisors is an integer number (115752942432).

Almost surely, 2^{1270870845537} is an apocalyptic number.

1270870845537 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1270870845537 is a deficient number, since it is larger than the sum of its proper divisors (581176233375).

1270870845537 is a wasteful number, since it uses less digits than its factorization.

1270870845537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803839928.

The product of its (nonzero) digits is 13171200, while the sum is 57.

The spelling of 1270870845537 in words is "one trillion, two hundred seventy billion, eight hundred seventy million, eight hundred forty-five thousand, five hundred thirty-seven".