1276415555051 has 16 divisors (see below), whose sum is σ = 1572249305088. Its totient is φ = 1009090720800.

The previous prime is 1276415555047. The next prime is 1276415555057. The reversal of 1276415555051 is 1505555146721.

It is a cyclic number.

It is not a de Polignac number, because 1276415555051 - 2² = 1276415555047 is a prime.

It is a super-2 number, since 2×1276415555051² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1276415554987 and 1276415555005.

It is not an unprimeable number, because it can be changed into a prime (1276415555057) 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, 5585195 + ... + 5809236.

It is an arithmetic number, because the mean of its divisors is an integer number (98265581568).

Almost surely, 2^{1276415555051} is an apocalyptic number.

1276415555051 is a deficient number, since it is larger than the sum of its proper divisors (295833750037).

1276415555051 is a wasteful number, since it uses less digits than its factorization.

1276415555051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11395682.

The product of its (nonzero) digits is 1050000, while the sum is 47.

The spelling of 1276415555051 in words is "one trillion, two hundred seventy-six billion, four hundred fifteen million, five hundred fifty-five thousand, fifty-one".