1191241961502 has 16 divisors (see below), whose sum is σ = 2383110443520. Its totient is φ = 396976233752.

The previous prime is 1191241961473. The next prime is 1191241961531. The reversal of 1191241961502 is 2051691421911.

It is an interprime number because it is at equal distance from previous prime (1191241961473) and next prime (1191241961531).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26080302 + ... + 26125937.

It is an arithmetic number, because the mean of its divisors is an integer number (148944402720).

Almost surely, 2^{1191241961502} is an apocalyptic number.

1191241961502 is an abundant number, since it is smaller than the sum of its proper divisors (1191868482018).

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

1191241961502 is a wasteful number, since it uses less digits than its factorization.

1191241961502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52210047.

The product of its (nonzero) digits is 38880, while the sum is 42.

The spelling of 1191241961502 in words is "one trillion, one hundred ninety-one billion, two hundred forty-one million, nine hundred sixty-one thousand, five hundred two".