3642578145711 has 32 divisors (see below), whose sum is σ = 5636346992640. Its totient is φ = 2320613776800.

The previous prime is 3642578145671. The next prime is 3642578145839. The reversal of 3642578145711 is 1175418752463.

3642578145711 is a `hidden beast` number, since 3 + 6 + 4 + 2 + 57 + 8 + 14 + 571 + 1 = 666.

It is not a de Polignac number, because 3642578145711 - 2³⁴ = 3625398276527 is a prime.

It is a super-2 number, since 2×3642578145711² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642578145511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2105335 + ... + 3423096.

It is an arithmetic number, because the mean of its divisors is an integer number (176135843520).

Almost surely, 2^{3642578145711} is an apocalyptic number.

3642578145711 is a deficient number, since it is larger than the sum of its proper divisors (1993768846929).

3642578145711 is a wasteful number, since it uses less digits than its factorization.

3642578145711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5529524 (or 5529518 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 54.

The spelling of 3642578145711 in words is "three trillion, six hundred forty-two billion, five hundred seventy-eight million, one hundred forty-five thousand, seven hundred eleven".