1156977035420 has 24 divisors (see below), whose sum is σ = 2557528184400. Its totient is φ = 438433402752.

The previous prime is 1156977035371. The next prime is 1156977035429. The reversal of 1156977035420 is 245307796511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156977035429) 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, 1522337825 + ... + 1522338584.

It is an arithmetic number, because the mean of its divisors is an integer number (106563674350).

Almost surely, 2^{1156977035420} is an apocalyptic number.

1156977035420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1156977035420 is an abundant number, since it is smaller than the sum of its proper divisors (1400551148980).

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

1156977035420 is a wasteful number, since it uses less digits than its factorization.

1156977035420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044676437 (or 3044676435 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 1156977035420 in words is "one trillion, one hundred fifty-six billion, nine hundred seventy-seven million, thirty-five thousand, four hundred twenty".