1087137180983 has 4 divisors (see below), whose sum is σ = 1242442492560. Its totient is φ = 931831869408.

The previous prime is 1087137180949. The next prime is 1087137180991. The reversal of 1087137180983 is 3890817317801.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1087137180983 - 2²⁶ = 1087070072119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087137120983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77652655778 + ... + 77652655791.

It is an arithmetic number, because the mean of its divisors is an integer number (310610623140).

Almost surely, 2^{1087137180983} is an apocalyptic number.

1087137180983 is a deficient number, since it is larger than the sum of its proper divisors (155305311577).

1087137180983 is an equidigital number, since it uses as much as digits as its factorization.

1087137180983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155305311576.

The product of its (nonzero) digits is 2032128, while the sum is 56.

The spelling of 1087137180983 in words is "one trillion, eighty-seven billion, one hundred thirty-seven million, one hundred eighty thousand, nine hundred eighty-three".