4311987612990 has 32 divisors (see below), whose sum is σ = 10430256660480. Its totient is φ = 1140809320224.

The previous prime is 4311987612953. The next prime is 4311987613027. The reversal of 4311987612990 is 992167891134.

It is an interprime number because it is at equal distance from previous prime (4311987612953) and next prime (4311987613027).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565873830 + ... + 565881449.

It is an arithmetic number, because the mean of its divisors is an integer number (325945520640).

Almost surely, 2^{4311987612990} is an apocalyptic number.

4311987612990 is an abundant number, since it is smaller than the sum of its proper divisors (6118269047490).

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

4311987612990 is a wasteful number, since it uses less digits than its factorization.

4311987612990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131755416.

The product of its (nonzero) digits is 5878656, while the sum is 60.

The spelling of 4311987612990 in words is "four trillion, three hundred eleven billion, nine hundred eighty-seven million, six hundred twelve thousand, nine hundred ninety".