2145131555610 has 32 divisors (see below), whose sum is σ = 5287459404672. Its totient is φ = 556574673600.

The previous prime is 2145131555587. The next prime is 2145131555617. The reversal of 2145131555610 is 165551315412.

It is not an unprimeable number, because it can be changed into a prime (2145131555617) 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, 966274366 + ... + 966276585.

It is an arithmetic number, because the mean of its divisors is an integer number (165233106396).

Almost surely, 2^{2145131555610} is an apocalyptic number.

2145131555610 is an abundant number, since it is smaller than the sum of its proper divisors (3142327849062).

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

2145131555610 is a wasteful number, since it uses less digits than its factorization.

2145131555610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932550998.

The product of its (nonzero) digits is 90000, while the sum is 39.

The spelling of 2145131555610 in words is "two trillion, one hundred forty-five billion, one hundred thirty-one million, five hundred fifty-five thousand, six hundred ten".