1201631253711 has 32 divisors (see below), whose sum is σ = 1878532423680. Its totient is φ = 668926599264.

The previous prime is 1201631253707. The next prime is 1201631253821. The reversal of 1201631253711 is 1173521361021.

It is not a de Polignac number, because 1201631253711 - 2² = 1201631253707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201631253701) 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, 1391371 + ... + 2083068.

It is an arithmetic number, because the mean of its divisors is an integer number (58704138240).

Almost surely, 2^{1201631253711} is an apocalyptic number.

1201631253711 is a deficient number, since it is larger than the sum of its proper divisors (676901169969).

1201631253711 is a wasteful number, since it uses less digits than its factorization.

1201631253711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474875.

The product of its (nonzero) digits is 7560, while the sum is 33.

The spelling of 1201631253711 in words is "one trillion, two hundred one billion, six hundred thirty-one million, two hundred fifty-three thousand, seven hundred eleven".