1151561615676 has 12 divisors (see below), whose sum is σ = 2686977103272. Its totient is φ = 383853871888.

The previous prime is 1151561615663. The next prime is 1151561615747. The reversal of 1151561615676 is 6765161651511.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47981733975 + ... + 47981733998.

It is an arithmetic number, because the mean of its divisors is an integer number (223914758606).

Almost surely, 2^{1151561615676} is an apocalyptic number.

It is an amenable number.

1151561615676 is an abundant number, since it is smaller than the sum of its proper divisors (1535415487596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151561615676 is a wasteful number, since it uses less digits than its factorization.

1151561615676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95963467980 (or 95963467978 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 51.

The spelling of 1151561615676 in words is "one trillion, one hundred fifty-one billion, five hundred sixty-one million, six hundred fifteen thousand, six hundred seventy-six".