1141615901 has 4 divisors (see below), whose sum is σ = 1168165152. Its totient is φ = 1115066652.

The previous prime is 1141615883. The next prime is 1141615903. The reversal of 1141615901 is 1095161411.

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 1141615901 - 2³⁰ = 67874077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141615903) 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, 13274561 + ... + 13274646.

It is an arithmetic number, because the mean of its divisors is an integer number (292041288).

Almost surely, 2^1141615901 is an apocalyptic number.

It is an amenable number.

1141615901 is a deficient number, since it is larger than the sum of its proper divisors (26549251).

1141615901 is an equidigital number, since it uses as much as digits as its factorization.

1141615901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26549250.

The product of its (nonzero) digits is 1080, while the sum is 29.

The square root of 1141615901 is about 33787.8069871366. The cubic root of 1141615901 is about 1045.1372730850.

The spelling of 1141615901 in words is "one billion, one hundred forty-one million, six hundred fifteen thousand, nine hundred one".