152461640134561 has 4 divisors (see below), whose sum is σ = 152489712620224. Its totient is φ = 152433567648900.

The previous prime is 152461640134547. The next prime is 152461640134589. The reversal of 152461640134561 is 165431046164251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 152461640134561 - 2¹¹ = 152461640132513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152461640134541) 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, 14036234685 + ... + 14036245546.

It is an arithmetic number, because the mean of its divisors is an integer number (38122428155056).

Almost surely, 2^{152461640134561} is an apocalyptic number.

It is an amenable number.

152461640134561 is a deficient number, since it is larger than the sum of its proper divisors (28072485663).

152461640134561 is an equidigital number, since it uses as much as digits as its factorization.

152461640134561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28072485662.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 152461640134561 in words is "one hundred fifty-two trillion, four hundred sixty-one billion, six hundred forty million, one hundred thirty-four thousand, five hundred sixty-one".