2661311100154 has 8 divisors (see below), whose sum is σ = 4562247600288. Its totient is φ = 1140561900060.

The previous prime is 2661311100137. The next prime is 2661311100169. The reversal of 2661311100154 is 4510011131662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95046824992 + ... + 95046825019.

It is an arithmetic number, because the mean of its divisors is an integer number (570280950036).

Almost surely, 2^{2661311100154} is an apocalyptic number.

2661311100154 is a deficient number, since it is larger than the sum of its proper divisors (1900936500134).

2661311100154 is a wasteful number, since it uses less digits than its factorization.

2661311100154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190093650020.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 2661311100154 in words is "two trillion, six hundred sixty-one billion, three hundred eleven million, one hundred thousand, one hundred fifty-four".