2631145221452 has 48 divisors (see below), whose sum is σ = 5242434365952. Its totient is φ = 1143770263680.

The previous prime is 2631145221451. The next prime is 2631145221469. The reversal of 2631145221452 is 2541225411362.

It is not an unprimeable number, because it can be changed into a prime (2631145221451) 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, 5459288 + ... + 5921664.

It is an arithmetic number, because the mean of its divisors is an integer number (109217382624).

Almost surely, 2^{2631145221452} is an apocalyptic number.

2631145221452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2631145221452 is a deficient number, since it is larger than the sum of its proper divisors (2611289144500).

2631145221452 is a wasteful number, since it uses less digits than its factorization.

2631145221452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468038 (or 468036 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The spelling of 2631145221452 in words is "two trillion, six hundred thirty-one billion, one hundred forty-five million, two hundred twenty-one thousand, four hundred fifty-two".